Added lifecycle management and sharing support for SharedWorkers. SharedWorkers

chrome/renderer/render_view.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if defined(ENABLE_PEPPER)
 #define PEPPER_APIS_ENABLED
 #endif
 
 #include "chrome/renderer/render_view.h"
 
@@ skipping 1787 matching lines @@
     WebFrame* frame, const WebPluginParams& params) {
   return new webkit_glue::WebPluginImpl(frame, params, AsWeakPtr());
 }
 
 WebWorker* RenderView::createWorker(WebFrame* frame, WebWorkerClient* client) {
   return new WebWorkerProxy(client, RenderThread::current(), routing_id_);
 }
 
 WebSharedWorker* RenderView::createSharedWorker(
     WebFrame* frame, const WebURL& url, const WebString& name,
-    unsigned long long documentId) {
+    unsigned long long document_id) {
 
-  // TODO(atwilson): Call to the browser process to check if there's an existing
-  // worker (passing MSG_ROUTING_NONE for now, to indicate no existing worker).
-  int worker_route_id = MSG_ROUTING_NONE;
-  return new WebSharedWorkerProxy(
-      RenderThread::current(), worker_route_id, routing_id_);
+  int route_id = MSG_ROUTING_NONE;
+  bool url_mismatch = false;
+  Send(new ViewHostMsg_LookupSharedWorker(
+      url, name, document_id, &route_id, &url_mismatch));
+  if (url_mismatch) {
+    return NULL;
+  } else {
+    return new WebSharedWorkerProxy(RenderThread::current(),
+                                    route_id,
+                                    routing_id_);
+  }
 }
 
 WebMediaPlayer* RenderView::createMediaPlayer(
     WebFrame* frame, WebMediaPlayerClient* client) {
   scoped_refptr<media::FilterFactoryCollection> factory =
       new media::FilterFactoryCollection();
   // Add in any custom filter factories first.
   const CommandLine* cmd_line = CommandLine::ForCurrentProcess();
   if (!cmd_line->HasSwitch(switches::kDisableAudio)) {
     // Add the chrome specific audio renderer.
@@ skipping 2000 matching lines @@
       new PluginMsg_SignalModalDialogEvent(host_window_));
 
   message->EnableMessagePumping();  // Runs a nested message loop.
   bool rv = Send(message);
 
   PluginChannelHost::Broadcast(
       new PluginMsg_ResetModalDialogEvent(host_window_));
 
   return rv;
 }